Houston Corrugated Metal Roofing is among the most cost-effective options for roofing, even approaching the affordability of asphalt shingles, especially considering how strong, long-lasting, efficient and low maintenance corrugated metal roofing is. Corrugating the thin metal material—typically 26 or 29 gauge thick steel or aluminum, makes the roofing material much more sturdy and reliable as it is processed into the common U- or V-shaped patterns. And today’s modern steel corrugated roofing material is galvanized with a zinc finish to prevent corrosion, visible rust and holes. Plus, galvanized metal roofing panels are available with an additional protective layer—paint. Panels are installed to overlap and screwed down into the structural surface of the roof. Caulk is applied to the joint of the two panels to prevent leaking.